Homes burn on Lake Road, Monday, Dec. 24, 2012 in Webster, New York. A former convict set a house and car ablaze in his lakeside New York state neighborhood to lure firefighters then opened fire on them, killing two and engaging police in a shootout before killing himself while several homes burned. Authorities used an armored vehicle to evacuate the area. (AP Photo/Democrat & Chronicle, Max Schulte)

Lake Rd. residents are evacuated from the neighborhood, Monday, Dec. 24, 2012 in Webster, New York. A former convict set a house and car ablaze in his lakeside New York state neighborhood to lure firefighters then opened fire on them, killing two and engaging police in a shootout before killing himself while several homes burned. Authorities used an armored vehicle to evacuate the area. (AP Photo/Democrat & Chronicle, Max Schulte)

A house burns Monday, Dec. 24, 2012 in Webster, New York. A former convict set a house and car ablaze in his lakeside New York state neighborhood to lure firefighters then opened fire on them, killing two and engaging police in a shootout before killing himself while several homes burned. Authorities used an armored vehicle to evacuate the area. (AP Photo/Democrat & Chronicle, Jamie Germano)

Photo: Jamie Germano, Associated Press

A house burns Monday, Dec. 24, 2012 in Webster, New York. A former...

A house burns Monday, Dec. 24, 2012 in Webster, New York. A former... Photo-3939921.54340 - SFGate

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Swat teams appear at the scene of a fire in Webster, N.Y., Monday, Dec. 24, 2012. Police in New York state say a man who killed two firefighters in a Christmas Eve ambush had served 17 years for manslaughter in the death of his grandmother. (AP Photo/Messenger Post Media, Seth Binnix)

Photo: Seth Binnix, Associated Press

Swat teams appear at the scene of a fire in Webster, N.Y., Monday,...

Swat teams appear at the scene of a fire in Webster, N.Y., Monday,... Photo-3941812.54340 - SFGate

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Police officers move in to look for a man who set fire to a house, Monday, Dec. 24, 2012 in Webster, New York. A former convict set a house and car ablaze in his lakeside New York state neighborhood to lure firefighters then opened fire on them, killing two and engaging police in a shootout before killing himself while several homes burned. Authorities used an armored vehicle to evacuate the area. (AP Photo/Democrat & Chronicle, Jamie Germano)

Photo: Jamie Germano, Associated Press

Police officers move in to look for a man who set fire to a house,...

Police officers move in to look for a man who set fire to a house,... Photo-3941816.54340 - SFGate

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Smoke is seen from the site of a fire in Webster, N.Y., Monday, Dec. 24, 2012. Police in New York state say a man who killed two firefighters in a Christmas Eve ambush had served 17 years for manslaughter in the death of his grandmother. (AP Photo/Seth Binnix)

Photo: Seth Binnix, Associated Press

Smoke is seen from the site of a fire in Webster, N.Y., Monday,...

Smoke is seen from the site of a fire in Webster, N.Y., Monday,... Photo-3941815.54340 - SFGate

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WEBSTER, NY - DECEMBER 24: Police officers man a road block on Lake Road following two firefighters killed, and two injured in a presumed ambush attack December 24, 2012 in Webster, New York. Authorities say an ex-con gunned down two firefighters after setting a car and a house on fire early Monday, then took shots at police and committed suicide while several homes burned. (Photo by Guy Solimano/Getty Images)

Firefighters gather around a burning house after they were let back into the area to battle the blaze, Monday Dec. 24, 2012, in Webster, N.Y. A gunman ambushed four volunteer firefighters responding to an intense pre-dawn house fire Monday morning outside Rochester, N.Y., killing two and ending up dead himself, authorities said. Police used an armored vehicle to evacuate more than 30 nearby residents. (AP Photo/Democrat & Chronicle, Jamie Germano) MAGS OUT; NO SALES

Photo: Jamie Germano, Associated Press

Firefighters gather around a burning house after they were let back...

Firefighters gather around a burning house after they were let back... Photo-3941232.54340 - SFGate

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In this photo taken April 11, 2011, Lt. Michael Chiapperini with the Webster Police Department speaks to the media about the accidental death of a man working underground on the Monroe County Water Authority site in Webster, N.Y. on Lake Road near Basket Road. A former convict set a house and car ablaze in his lakeside New York state neighborhood to lure firefighters then opened fire on them, killing two, including Chiapperini, and engaging police in a shootout before killing himself while several homes burned. Authorities used an armored vehicle to evacuate the area. (AP Photo/Democrat & Chronicle, Tina Yee) MAGS OUT; NO SALES

WEBSTER, NY - DECEMBER 24: Webster Police Chief Gerald Pickering (R) embraces New York State Lt. Gov. Robert Duffy following a news conference concerning the two firefighters killed, and two injured in a presumed ambush attack December 24, 2012 in Webster, New York. Authorities say an ex-con gunned down two firefighters after setting a car and a house on fire early Monday, then took shots at police and committed suicide while several homes burned. (Photo by Guy Solimano/ Getty Images)